Pencil sharpener



FIG. 1 is a front perspective view of a pencil sharpener showing our new design.

FIG. 2 is a top plan view thereof.

FIG. 3 is a front elevational view thereof.

FIG. 4 is a right side view thereof, the left side view being a mirror image thereof.

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom view thereof.

In the drawings, the dash-dot dash broken lines indicate the boundaries of the claim, the evenly spaced broken lines depict unclaimed environment. 

The ornamental design for a pencil sharpener, as shown and described. 